memkeys实时查看memcachedkey使用情况

memkeys安装

安装autoconf(要求版本2.68以上):

# wget -c http://ftp.gnu.org/gnu/autoconf/autoconf-latest.tar.gz
# tar zxvf autoconf-latest.tar.gz
# cd autoconf-2.69
# ./configure
# make && make install

安装其它依赖:

# yum install libpcap-devel pcre-devel ncurses-devel

安装memkeys:

# git clone https://github.com/tumblr/memkeys.git
# cd memkeys
# ./autogen.sh
# ./configure
# make && make install

memkeys使用

# memkeys -h
Usage: memkeys -i NIC [options]
 -d, --discard=THRESH Discard keys where req/s rate is below THRESH
 -i, --interface=NIC Network interface to capture traffic on (required)
 -p, --port=PORT Network port to capture memcache traffic on (default 11211)
 -r, --refresh=INTERVAL Refresh the stats display every INTERVAL ms (default 500)
 -l, --logfile=FILE Output logs to FILE
 -R, --report=REPORT Output data in REPORT format (CSV or curses, default curses)
 -h, --help This help
 -v, --verbose Increase verbosity. May be used multiple times.
 -V, --version Show program info and exit.

例子1:

# memkeys -i eth0 -l /tmp/memkeys.log

例子2:

# memkeys -i eth0 -d 10.0 -l /tmp/memkeys.log